CN216894454U - Secretly dig tunnel steel pin frame handling device - Google Patents

Abstract

The utility model relates to a secretly dig tunnel steel pin frame handling device, including walking assembly, it has the bearing arm to articulate on the walking assembly, the bearing arm uses the pin joint to divide into power arm and resistance arm as the center, and the power arm is good at the resistance arm, the bearing arm is around the pin joint upset from top to bottom and is formed lever structure, the one end that the pin joint was kept away from to the resistance arm is provided with the hook subassembly that is used for the hook component. This application has the effect that improves component conveying efficiency in the tunnel.

Description

Secretly dig tunnel steel pin frame handling device

Technical Field

The application relates to the field of equipment for tunnel construction, in particular to a hidden excavated tunnel steel truss frame carrying device.

Background

At present, a tunnel is built underground, underwater or in a mountain, is used for laying a railway or building a highway for motor vehicles to pass through, has the advantages of few external interference factors, convenient management and maintenance of facility equipment, no influence on ground traffic and the like in tunnel engineering construction, and gradually becomes one of main construction methods for urban modern transformation.

The construction of the underground excavation tunnel refers to that the ground is not excavated, the underground excavation method is adopted for construction, for example, a mine method, a shield method and the like, and the underground excavation tunnel construction belongs to the underground excavation method.

In the related art, since underground tunnel construction is performed underground, the working space environment is limited, and components such as steel trusses and steel bar gratings cannot be transported by large-scale machines, and the components are often transported manually or transported to a small transport vehicle manually.

With respect to the related art in the above, the inventors consider that: the manual carrying mode not only brings great labor burden, but also consumes more manpower, is not economical and low in efficiency, and the transportation problem of the components becomes one of the main factors restricting the construction progress.

SUMMERY OF THE UTILITY MODEL

In order to improve the conveying efficiency of tunnel internals, this application provides a dark excavation tunnel steel truss frame handling device.

The application provides a dark excavation tunnel steel truss frame handling device adopts following technical scheme:

the utility model provides an undercut tunnel steel pin frame handling device, includes the running gear, it has the bearing arm to articulate on the running gear, the bearing arm uses the pin joint to divide into power arm and resistance arm as the center, and the power arm is good at the resistance arm, the bearing arm is around pin joint upset from top to bottom and is formed lever structure, the one end that the pin joint was kept away from to the resistance arm is provided with the hook subassembly that is used for the hook component.

Through adopting above-mentioned technical scheme, when carrying the component, at first push away the construction place with walking subassembly, then lift the power arm, the bearing arm rotates around the pin joint, and the resistance arm descends, with the hook subassembly hook to the component on, then push down the power arm, the resistance arm rises to drive the component lifting, through mutually supporting of a plurality of handling device, can lift the component and transport in the tunnel. In conclusion, the walking device, the bearing arm and the hook assembly are arranged, so that the components can be transported in a limited operation space, the labor burden is reduced, and the transportation efficiency of the components in the tunnel is improved.

Optionally, the one end of keeping away from the pin joint on the resistance arm is provided with the hoist and mount crossbeam, hoist and mount crossbeam both ends rigid coupling has the lifting rope, the hook subassembly sets up in the one end that the lifting rope kept away from the hoist and mount crossbeam.

Through adopting above-mentioned technical scheme, adopt two hook subassemblies that the symmetry set up, the part that can hook component difference simultaneously reduces the load size of single hook subassembly, improves the degree of consistency of hook subassembly to the component application of force.

Optionally, the hoisting crossbeam is detachably connected with the bearing arm.

Through adopting above-mentioned technical scheme, the different hook subassemblies of change are convenient according to the difference of component model.

Optionally, the bearing arm is sleeved with an installation sleeve, the hoisting cross beam is arranged on the installation sleeve, the installation sleeve is provided with a fixing screw rod, the fixing screw rod penetrates through the bearing arm and two opposite sides of the installation sleeve, and two ends of the fixing screw rod are connected with fixing nuts abutted to the outer wall of the installation sleeve in a threaded manner.

By adopting the technical scheme, when the hoisting cross beam and the hook component are installed, the installation sleeve is sleeved on the bearing arm, then the fixing screw penetrates through the bearing arm and the two opposite sides of the installation sleeve, and the fixing nut is screwed, so that the installation sleeve is fixed on the bearing arm; when the hoisting cross beam and the hook assembly need to be replaced, the fixing nut is unscrewed, the fixing screw rod is detached, and then the installation sleeve is taken down. Through setting up installation cover, clamping screw and fixation nut, the ann of conveniently installing the cover is torn open, and then the hook subassembly is changed according to the component model difference to the convenience.

Optionally, the hoisting cross beam is in running fit with the bearing arm.

Through adopting above-mentioned technical scheme, can conveniently adjust the position of hook subassembly to be convenient for the hook subassembly hook to the component on.

Optionally, a mounting part is arranged between the hoisting crossbeam and the mounting sleeve; the mounting part comprises a rotating shaft arranged on the mounting sleeve and a second screw arranged at one end of the rotating shaft far away from the mounting sleeve; the rotating shaft penetrates through the hoisting crossbeam and is rotationally connected with the hoisting crossbeam, and a second limiting nut used for limiting the hoisting crossbeam is connected to the second screw rod in a threaded manner.

By adopting the technical scheme, when the hook component is installed, the rotating shaft penetrates through the upper surface and the lower surface of the hoisting beam, then the second limiting nut is screwed on, and the hoisting beam can rotate on the rotating shaft; through setting up pivot, second screw rod and second stop nut, the ann of convenient hoist and mount crossbeam is torn open.

Optionally, the mounting part further comprises a first screw rod coaxially arranged at one end, far away from the second screw rod, of the rotating shaft, and the first screw rod penetrates through the mounting sleeve and is connected with the mounting sleeve in a threaded manner.

By adopting the technical scheme, the beam can be conveniently hoisted and fixed on the bearing arm.

Optionally, the installed part further comprises a limiting ring and a first limiting nut, wherein the limiting ring is arranged at one end, far away from the rotating shaft, of the first screw rod, the first limiting nut is screwed on the first screw rod, and the limiting ring and the first limiting thread are respectively located on two sides of the installation sleeve to limit the installation sleeve.

Through adopting above-mentioned technical scheme, improve the fixed stability of hoist and mount crossbeam on the bearing arm.

Optionally, the hooking component comprises a fixed arm, a connecting arm and a hanging ring; the two fixed arms are arranged in a crossed manner and hinged with each other; one ends of the two fixed arms, which are the same, are bent oppositely to form hooks; the linking arm has two and is articulated with the one end that the fixed arm kept away from the crotch respectively, two the one end that the fixed arm was kept away from to the linking arm all is articulated with rings, lifting rope and rings rigid coupling.

By adopting the technical scheme, when the component is transported, the lifting rope pulls the lifting ring upwards, and the two connecting arms drive one ends of the two fixing arms far away from the hook to approach each other, so that the hook is hooked on the component; after the component is transported, the hooks on the two fixed arms are moved back to back, and the hooks are taken down from the component. To sum up, through setting up fixed arm, linking arm and rings, improve the fixed convenience of hook subassembly and component.

Optionally, a rubber sleeve is sleeved on the hook.

Through adopting above-mentioned technical scheme, the rubber sleeve can play the protection component effect, reduces the damage that causes the component reinforcing bar when lifting by crane.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the traveling device, the bearing arm and the hook assembly, the transportation of the components can be realized in a limited operation space, the labor load is reduced, and the transportation efficiency of the components in the tunnel is improved;

2. by arranging the mounting sleeve, the fixing screw rod and the fixing nut, the mounting sleeve is convenient to mount and dismount, and the hook component is convenient to replace according to different component models;

3. the installation and the disassembly of the hoisting beam are facilitated by arranging the rotating shaft, the second screw and the second limiting nut;

4. the convenience of fixing the hook component and the component is improved by arranging the fixing arm, the connecting arm and the hanging ring;

5. through setting up the rubber sleeve, can play the protection component effect, reduce the damage that causes the component reinforcing bar when lifting by crane.

Drawings

FIG. 1 is a schematic structural diagram of a device for handling steel trusses of an excavated tunnel in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a hooking component in the embodiment of the application;

fig. 3 is a schematic structural view of the mounting member in the embodiment of the present application.

Description of reference numerals: 1. a walking assembly; 10. a traveling wheel; 11. an axle; 2. a load-bearing arm; 20. installing a pipe; 200. carrying out top thread; 21. a power rod; 22. a resistance bar; 23. a handle; 3. a hooking component; 30. a fixed arm; 300. hooking; 301. a rubber sleeve; 31. a connecting arm; 32. a hoisting ring; 4. a support bar; 40. a reinforcing bar; 41. fixing the rod; 5. hoisting the beam; 6. a lifting rope; 7. installing a sleeve; 70. fixing the screw rod; 71. fixing a nut; 8. a mounting member; 80. a first screw; 800. a first limit nut; 81. a rotating shaft; 82. a limiting ring; 83. a second screw; 830. and a second limit nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses dark excavation tunnel steel pin frame handling device. Referring to fig. 1, undercut tunnel steel pin frame handling device includes walking subassembly 1, and it has bearing arm 2 to articulate on the walking subassembly 1, and bearing arm 2 uses the pin joint to divide into power arm and resistance arm as the center, and the power arm is good at the resistance arm, and bearing arm 2 is around pin joint upset from top to bottom and is formed lever structure, and the one end that the pin joint was kept away from to the resistance arm is provided with hook subassembly 3 that is used for the hook component.

Referring to fig. 1, walking subassembly 1 includes two coaxial walking wheels 10 that set up, coaxial being provided with axletree 11 between two walking wheels 10, walking wheel 10 passes through the bearing with axletree 11 and rotates and be connected, the central point of axletree 11 puts the rigid coupling has bracing piece 4, 2 rigid couplings of bearing arm are in the one end of bracing piece 4 keeping away from axletree 11, when promoting the component, push down the power arm, bracing piece 4 drives axletree 11 and rotates around the wheel, the resistance arm drives 3 lifts of hook subassembly, thereby can make the component lifting. The opposite both sides slope of bracing piece 4 is provided with stiffener 40, and the both ends of stiffener 40 respectively with bracing piece 4 and axletree 11 welded fastening to form the triangular structure between messenger's axletree 11, bracing piece 4 and the stiffener 40, improve the support performance of bracing piece 4. The fixing rod 41 is obliquely arranged between the supporting rod 4 and the bearing arm 2, and two ends of the fixing rod 41 are respectively welded and fixed with the supporting rod 4 and the bearing arm 2, so that the stability of the supporting rod 4 for supporting the bearing arm 2 is improved.

Referring to fig. 1 and 2, a hoisting cross beam 5 is arranged at one end of the resistance arm far away from the hinge point, a lifting rope 6 is fixedly connected to two opposite ends of the hoisting cross beam 5, the lifting rope 6 can be a steel wire rope, and the hooking component 3 is fixedly connected to one end of the lifting rope 6 far away from the hoisting cross beam 5; the hooking component 3 comprises a fixed arm 30, a connecting arm 31 and a hanging ring 32; two fixing arms 30 are arranged in a crossed manner, the two fixing arms 30 are hinged, a hinged point is located at the intersection point of the two fixing arms 30, the same end of each fixing arm 30 is bent oppositely to form a hook 300 for hooking a component, and a rubber sleeve 301 is fixedly connected to the hook 300 to reduce the damage of the hook 300 to the component; two connecting arms 31 are respectively arranged on the two fixing arms 30, and the connecting arms 31 are hinged with one ends of the fixing arms 30 far away from the hooks 300; one ends of the two connecting arms 31 far away from the fixed arm 30 are hinged with a hanging ring 32; the lifting rope 6 is fixedly connected with the lifting ring 32, and can be fixed by welding or binding.

Referring to fig. 3, an installation sleeve 7 is sleeved at the end of the bearing arm 2, a fixing screw 70 is arranged on the installation sleeve 7, the fixing screw 70 penetrates through two opposite sides of the bearing arm 2 and the installation sleeve 7, and fixing nuts 71 abutted to the outer wall of the installation sleeve 7 are screwed at two ends of the fixing screw 70, so that the installation sleeve 7 is kept stable on the bearing arm 2; the hoisting crossbeam 5 is arranged on the mounting sleeve 7 and is rotationally connected with the mounting sleeve 7.

Referring to fig. 3, a mounting part 8 is arranged between the hoisting crossbeam 5 and the mounting sleeve 7; the mounting part 8 comprises a first screw 80, a rotating shaft 81 coaxially arranged at one end of the first screw 80, a limiting ring 82 arranged at one end of the first screw 80 far away from the rotating shaft 81, and a second screw 83 coaxially arranged at one end of the rotating shaft 81 far away from the first screw 80; the first screw 80, the limiting ring 82, the rotating shaft 81 and the second screw 83 are integrally cast and formed; the first screw 80 penetrates through the mounting sleeve 7 and is in threaded connection with the mounting sleeve 7, the limiting ring 82 is abutted to the outer peripheral surface of the mounting sleeve 7, the first limiting nut 800 is screwed on the first screw 80, and the hoisting cross beam 5 is kept stable under the common limitation of the limiting ring 82 and the first limiting nut 800; the rotating shaft 81 is arranged on the hoisting crossbeam 5 in a penetrating way and is rotationally connected with the hoisting crossbeam 5; the second screw 83 is screwed with a second limit nut 830, and the hoisting beam 5 is limited on the rotating shaft 81 under the limitation of the first limit nut 800 and the second limit nut 830.

Referring to fig. 1, the bearing arm 2 includes an installation tube 20, a power rod 21 and a resistance rod 22 respectively inserted into two ends of the installation tube 20, two ends of a support rod 4 are respectively fixedly connected with the axle 11 and the installation tube 20, and two ends of a fixed rod 41 are respectively fixedly connected with the installation tube 20 and the support rod 4; the power rod 21 and the resistance bar 22 are matched with the installation pipe 20 in a sliding mode, a plurality of jackscrews 200 are arranged on the outer wall of the installation pipe 20, the jackscrews 200 penetrate through the installation pipe 20 and are in threaded connection with the installation pipe 20, the end portions of the jackscrews 200 are tightly abutted to the outer peripheral face of the power rod 21 or the resistance bar 22, and therefore the power rod 21 and the resistance bar 22 are kept stable in the installation pipe 20. In order to facilitate force application, one end, far away from the mounting pipe 20, of the power rod 21 is fixedly connected with a linear handle 23, so that a worker can conveniently apply force by using two hands, an anti-slip sleeve made of elastic materials is sleeved on the handle 23, and damage to hands of the handle 23 is reduced while the handle 23 is prevented from slipping.

The implementation principle of the device for transporting steel trusses of the underground excavated tunnel is as follows: when a component is carried, firstly, the walking assembly 1 is pushed to a construction site, then the power arm is lifted up, the bearing arm 2 rotates around a hinge point, the resistance arm descends, the hoisting cross beam 5 is rotated to adjust the position of the hooking assembly 3, so that the hooks 300 on the two fixing arms 30 move back and forth, the fixing arms 30 are opened, the hooks 300 are hooked on the component, the power arm is pressed down, the resistance arm ascends, the hoisting rope 6 pulls the hoisting ring 32 upwards, the two connecting arms 31 drive one ends of the two fixing arms 30 far away from the hooks 300 to approach each other, so that the hook 300 is hooked and fixed on the member, two hooking assemblies 3 are symmetrically arranged, the different parts of hook component simultaneously reduces the load size of single hook subassembly 3, improves the degree of consistency of hook subassembly 3 to the component application of force, and rubber sleeve 301 can play the guard member effect, reduces the damage that causes the component reinforcing bar when lifting by crane. The reinforcing bar 40 and the fixing bar 41 can improve the supporting performance of the supporting bar 4 to the bearing arm 2. By means of the cooperation of a plurality of handling devices, the components can be lifted and transported in the tunnel. After the transportation is completed, the hooks 300 of the two fixing arms 30 are moved back and the hooks 300 are removed from the member.

When the hooking component 3 needs to be replaced according to different specifications of components, the fixing nut 71 is screwed off, the fixing screw rod 70 is dismounted, then the mounting sleeve 7 is taken off, the replaced mounting sleeve 7 is sleeved on the bearing arm 2, the fixing nut 71 is screwed by using the fixing screw rod 70 to penetrate through the bearing arm 2 and two opposite sides of the mounting sleeve 7, and therefore the mounting sleeve 7 is fixed on the bearing arm 2; the mounting part 8 can improve the stability of fixing the hoisting beam 5 on the mounting sleeve 7; according to the difference of component weight, adjust the length that power pole 21 and resistance bar 22 stretch out installation pipe 20 to adjust the ratio of power arm and resistance arm, improve the convenience to the transport of different weight components. In summary, by providing the traveling device, the bearing arm 2 and the hooking component 3, the transportation of the member can be realized in a limited working space, the labor load is reduced, and the transportation efficiency of the member in the tunnel is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a dark excavation tunnel steel pin frame handling device which characterized in that: the walking component comprises a walking component (1), wherein a bearing arm (2) is hinged to the walking component (1), the bearing arm (2) is divided into a power arm and a resistance arm by taking a hinge point as a center, the power arm is longer than the resistance arm, the bearing arm (2) is overturned up and down around the hinge point to form a lever structure, and one end, far away from the hinge point, of the resistance arm is provided with a hook component (3) for hooking a component; a hoisting cross beam (5) is arranged at one end, far away from a hinge point, of the resistance arm, a lifting rope (6) is fixedly connected to two ends of the hoisting cross beam (5), and the hooking component (3) is arranged at one end, far away from the hoisting cross beam (5), of the lifting rope (6); the hoisting cross beam (5) is detachably connected with the bearing arm (2).

2. The device for transporting steel trusses for a covered tunnel according to claim 1, wherein: the bearing arm (2) is sleeved with an installation sleeve (7), the hoisting cross beam (5) is arranged on the installation sleeve (7), the installation sleeve (7) is provided with a fixing screw rod (70), the fixing screw rod (70) penetrates through the bearing arm (2) and the two opposite sides of the installation sleeve (7), and the two ends of the fixing screw rod (70) are connected with fixing nuts (71) abutted to the outer wall of the installation sleeve (7) in a threaded mode.

3. A device for handling steel trusses for a covered tunnel according to claim 2, characterized in that: the hoisting cross beam (5) is in running fit with the bearing arm (2).

4. A device for handling steel trusses for a covered tunnel according to claim 3, wherein: a mounting part (8) is arranged between the hoisting cross beam (5) and the mounting sleeve (7); the mounting part (8) comprises a rotating shaft (81) arranged on the mounting sleeve (7) and a second screw (83) arranged at one end, far away from the mounting sleeve (7), of the rotating shaft (81); the rotating shaft (81) penetrates through the hoisting cross beam (5) and is rotatably connected with the hoisting cross beam (5), and the second screw rod (83) is connected with a second limiting nut (830) used for limiting the hoisting cross beam (5) in a threaded mode.

5. The device for transporting steel trusses for a covered tunnel according to claim 4, wherein: the mounting part (8) further comprises a first screw rod (80) which is coaxially arranged at one end of the rotating shaft (81) far away from the second screw rod (83), and the first screw rod (80) penetrates through the mounting sleeve (7) and is in threaded connection with the mounting sleeve (7).

6. The device for transporting steel trusses for a covered tunnel according to claim 5, wherein: the mounting part (8) further comprises a limiting ring (82) and a first limiting nut (800), wherein the limiting ring (82) is arranged at one end, far away from the rotating shaft (81), of the first screw rod (80), the first limiting nut (800) is screwed on the first screw rod (80), and the limiting ring (82) and the first limiting thread are respectively located on two sides of the mounting sleeve (7) to limit the mounting sleeve (7).

7. The device for transporting steel trusses for a covered tunnel according to claim 1, wherein: the hooking component (3) comprises a fixed arm (30), a connecting arm (31) and a hanging ring (32); the two fixing arms (30) are arranged in a crossed manner, and the two fixing arms (30) are hinged; one ends of the two fixing arms (30) which are the same are oppositely bent to form a hook (300); connecting arm (31) have two and keep away from the one end of crotch (300) articulated with fixed arm (30) respectively, two the one end that fixed arm (30) were kept away from in connecting arm (31) all is articulated with rings (32), lifting rope (6) and rings (32) rigid coupling.

8. A device for handling steel trusses for a covered tunnel according to claim 7, wherein: the hook (300) is sleeved with a rubber sleeve (301).

Images